타입 = Spanner Head 시리즈 = 540 Head 타입 = Crow Foot Size = 17 mm Insert Size = 3/8in Finish = Chrome Crow Feet Spanners. Special application crow feet spanners for use in confined areas and narrow reccesses. If using with a torque wrench settings may require modifying. Designed for use with 3/8 inch square drive ratchets deal for reaching behind obstructions and into narrow recesses Constructed from Chrome Alloy Steel Chrome plated finish